Hire the Best User Acceptance Testing Specialists
in Argentina

Manual QA Tester with hands-on experience testing web, desktop and mobile applications. I help teams catch bugs before they reach production, so your users see a polished product, not a buggy one. WHAT I DO -Functional, Regression, Smoke & Usability Testing -Exploratory Testing & Edge Case Hunting -Detailed bug reports with steps to reproduce, screenshots & video evidence -UX/UI review and feedback -Cross-browser and cross-device testing WHY WORK WITH ME -Clear, proactive communication (I flag issues early, not after the sprint ends) -Organized documentation that your dev team can actually act on -Comfortable working async across time zones -Reliable turnaround — I treat your deadlines as my own I'm currently available for new projects and can start immediately. Let's talk about your project — send me a message and I'll walk you through how I'd approach testing it.

I’m a Senior Manual QA Specialist with 11+ years of experience ensuring high-quality releases for web and mobile applications. My focus is simple: prevent issues before users find them, accelerate delivery, and keep stakeholders confident throughout the release cycle. I align QA with business goals, not just test cases. I’ve worked with multicultural agile teams, led QA efforts, mentored testers and coordinated with Dev, UX and Product to keep releases smooth and predictable. What I do End-to-end Manual QA for Web & Mobile Test Plans, Test Cases, Regression & Smoke Testing Exploratory Testing, UAT and Acceptance Criteria validation Defect detection, reporting and triage (Jira / Agile boards) UX / UI / Accessibility testing QA process coordination with cross-functional teams What you get ✅ Fewer production issues ✅ Faster, cleaner releases ✅ Clear reports your team can act on ✅ A QA partner who communicates and anticipates risk

👋 I’m Carlota, a UX Researcher & CX Specialist with experience helping startups and leading companies understand their users and make smarter product decisions. Using a research-driven approach, I combine qualitative and quantitative methods to uncover insights that improve user experience and drive conversion. Experienced moderating sessions across international markets and working in English. 🔍 What I do: · User interviews (remote moderated) · Usability testing (Web sites & Apps) · UX audits, CRO & heuristic evaluations · Survey building, analysis feedback, and reports · Customer journeys & personas · A/B testing & conversion analysis 🎯 What I Deliver · Consumer behavior insights to guide strategy · Usability testing to validate design decisions · Customer journey mapping & personas to understand user needs · E-commerce and marketplace research to identify opportunities and optimize experiences 👉 Available to support ongoing research or jump into specific interview and testing needs.

EXPERIENCE SUMMARY 👋 Hi! I'm a Senior QA Engineer with over 15 years of experience in software testing, SaaS platforms, complex workflows, and payment systems. I specialize in end-to-end testing, API validation, accessibility testing, and high-precision mobile testing. I collaborate closely with development and product teams in Agile environments (Scrum & Kanban) to ensure reliable releases and a high-quality user experience. 📱 Dedicated Mobile Testing Lab (Physical Devices) I provide 100% accurate results using real hardware to avoid the false positives of emulators: • iOS High-End Benchmark: iPhone 13 (running iOS 26.3.1) – Ideal for testing the latest Apple features, modern UI/UX, and accessibility standards. • Android Performance Testing: Samsung Galaxy A22 (Android 13 / One UI Core) – Perfect for verifying app stability, resource consumption, and backward compatibility on widely-used mid-range hardware. Core Competencies: • Manual & Exploratory Testing • SaaS, Web & Mobile Application Testing • Payment & Billing Workflow Testing • Test Planning & Execution • API Testing (Postman / Swagger / REST) • Regression & Smoke Testing • Accessibility (WCAG/508) & Cross-Browser Testing • Defect Lifecycle Management My toolbox: Jira & Confluence, TestRail, Zephyr, Postman, Swagger, Jenkins, BitBucket, BuildMaster, BrowserStack, SQL Server, Splunk and Amplitude. If you're looking for a detail-oriented, proactive QA professional who can help you deliver reliable, well-tested applications — let’s connect! ✅